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Finding the Fourth Proportional to 401,875.47, 555,048.43 and 264,667.74

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Solution

The fourth proportional to 401,875.47, 555,048.43 and 264,667.74 is: 365,544.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    401,875.47 : 555,048.43 = 264,667.74 : x
  2. Step 2: Convert to fraction form
    401,875.47/555,048.43 = 264,667.74/x
  3. Step 3: Cross multiply
    401,875.47x = 555,048.43 × 264,667.74
  4. Step 4: Simplify right side
    401,875.47x = 146,903,413,558.65
  5. Step 5: Solve for x
    x = 146,903,413,558.65/401,875.47
  6. Step 6: Final answer
    x = 365,544.61

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.